 | |
| Nikkor ED 300mm F2.8 IF AIs |
Minimum focus distance: 3m
Aperture scale: f/2.8 - f/22
Diaphragm: 9 straight blades.
Distance scale: in meters and feet
from 3m (10 ft) to infinity (OO)
Focusing: Nikon Internal Focusing (IF)
Lens Hood: built-in
Tripod mounting: Built-in
Filters:
Slip-in type 39mm filter holder, gelatin filter holder
Dimensions: Approx. 132mm dia x 263mm long (overall)
standard package accessories: Slip-on
leather front lens cap; Rear lens cap LF-1; Extension lens hood HE-4; Built-in
39mm screw-in filter L37C; Gelatin slip-in filter holder; Heavy-duty case CT-302
A fast telephoto lenses packaged in a big piece of glass, on manual book Nikon calls this Nikon Nikkor * ED 300mm f/2.8 IF. This lens consists of 8 elements in 6 groups optics glass, in which two of them are ED glass. Extra-low Dispersion
glass (ED) helps eliminate
secondary chromatic aberration (green-magenta color fringes) in which can reduce the sharpness. IF (Internal Focusing) means you can adjust the focus by simply turning the focus ring to moving some elements
inside the lens barrel without any movement on the outside of the lens. The lens also features a 360° rotatable tripod mount and focus preset ring.
The AIs version of this lens there were two updates, The earlier versions is an updated from AI has a minimum focusing
capability down to 4m and 122mm front screw-in filter thread. The second improved minimum focus
down to 3m, providing built in permanent protective UV filter and no filter thread.
On Nikon D90 focal length of this lens is equivalent to approximately 453mm, with standard settings and no post processing at all just resize, let's see what this lens can do:
 |
| @F/2.8 |
 |
| @F/4 |
 |
| @F/5.6 |
 | ||
| @F/8 |
Thanks to ED glass so that this lens can produce sharp dan contrast images from wide open.
more pictures:
 | |
| @F/2.8 |
 |
| @F/2.8 |
No comments:
Post a Comment
Do me a favor, leave comment